Has Demi Lovato been cast in Marvel's 'The Avengers'?

demi-lovato-getty-i.jpgFanboys were in a tizzy on Dec. 28, after Radar Online reported that Disney star Demi Lovato was up for a role in Marvel's highly-anticipated "The Avengers," which is set to begin filming in April. So is the report true? Will the "Sonny With a Chance" star's first post-rehab move be a huge blockbuster film?

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